linux-kernel - Re: [PATCH v2 0/3] tools/nolibc: clang LTO compatibility

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Message-ID: <20240812210039.GA9624@1wt.eu>
Date: Mon, 12 Aug 2024 23:00:39 +0200
From: Willy Tarreau <w@....eu>
To: Thomas Weißschuh <linux@...ssschuh.net>
Cc: Ammar Faizi <ammarfaizi2@...weeb.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] tools/nolibc: clang LTO compatibility

On Mon, Aug 12, 2024 at 10:50:16PM +0200, Thomas Weißschuh wrote:
> A few tiny bugfixes and refactoring to provide compatibility with
> clangs -flto.
> 
> $ CFLAGS_EXTRA=-flto ./run-tests.sh -m user -l       
> i386:          195 test(s): 193 passed,   2 skipped,   0 failed => status: warning
> x86_64:        195 test(s): 193 passed,   2 skipped,   0 failed => status: warning
> arm64:         195 test(s): 193 passed,   2 skipped,   0 failed => status: warning
> arm:           195 test(s): 193 passed,   2 skipped,   0 failed => status: warning
> mips32le:      195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> mips32be:      195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> ppc:           195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> ppc64:         195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> ppc64le:       195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> riscv:         195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> s390:          195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> loongarch:     195 test(s): 192 passed,   3 skipped,   0 failed => status: warning
> 
> GCC is not supported, for details read the discussion in v1 of the
> series.
> 
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> ---
> Changes in v2:
> - Drop GCC support
> - arch-x86_64.h: Don't try to wrap the asm functions in C functions,
>   Instead just replace the local symbol with a local label.
> - Link to v1: https://lore.kernel.org/r/20240810-nolibc-lto-v1-0-a86e514c7fc1@weissschuh.net

For the whole series:

Acked-by: Willy Tarreau <w@....eu>

Thanks Thoams!
Willy